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Finding the Fourth Proportional to 174.63, 240.87 and 116.49

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Solution

The fourth proportional to 174.63, 240.87 and 116.49 is: 160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.63 : 240.87 = 116.49 : x
  2. Step 2: Convert to fraction form
    174.63/240.87 = 116.49/x
  3. Step 3: Cross multiply
    174.63x = 240.87 × 116.49
  4. Step 4: Simplify right side
    174.63x = 28,058.95
  5. Step 5: Solve for x
    x = 28,058.95/174.63
  6. Step 6: Final answer
    x = 160.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.